217784476

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{2683}}^1$

素因数の和:2930

約数の個数: 48

約数和(自身を含む): 471353344

約数和(自身を除く): 253568868

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 223, 364, 446, 892, 1561, 2683, 2899, 3122, 5366, 5798, 6244, 10732, 11596, 18781, 20293, 34879, 37562, 40586, 69758, 75124, 81172, 139516, 244153, 488306, 598309, 976612, 1196618, 2393236, 4188163, 7778017, 8376326, 15556034, 16752652, 31112068, 54446119, 108892238, 217784476]

約数ペア:

[(1, 217784476), (2, 108892238), (4, 54446119), (7, 31112068), (13, 16752652), (14, 15556034), (26, 8376326), (28, 7778017), (52, 4188163), (91, 2393236), (182, 1196618), (223, 976612), (364, 598309), (446, 488306), (892, 244153), (1561, 139516), (2683, 81172), (2899, 75124), (3122, 69758), (5366, 40586), (5798, 37562), (6244, 34879), (10732, 20293), (11596, 18781)]